Modify NAT 444 prot-range effect on line

Support be modified, but only take effects for new on-line users. However,if the modification is in case of online users,there are the following effect:

It will cause cannot calculate users proportion on the public and private networks, maybe public network IP addresses are not enough, and users cannot access internet. So Online modify the prot-range is not recommended, unless keep all users off line after already planned the proportion of public and private users well.